/* Этап 0: Глобальные стили и налаштування */

/* Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Lato:wght@400;700&family=Montserrat:wght@600;700&display=swap');

:root {
	--font-primary: 'Lato', sans-serif;
	--font-secondary: 'Montserrat', sans-serif;

	--color-text: #1a202c;
	--color-bg: #ffffff;
	--color-bg-alt: #f7fafc;
	--color-primary: #4a90e2;
	--color-primary-hover: #357abd;
	--color-border: #e2e8f0;
}

*,
*::before,
*::after {
	box-sizing: border-box;
	margin: 0;
	padding: 0;
}

html {
	scroll-behavior: smooth;
}

body {
	font-family: var(--font-primary);
	font-size: 16px;
	line-height: 1.6;
	color: var(--color-text);
	background-color: var(--color-bg);
	-webkit-font-smoothing: antialiased;
	-moz-osx-font-smoothing: grayscale;
}

h1,
h2,
h3,
h4,
h5,
h6 {
	font-family: var(--font-secondary);
	font-weight: 700;
	line-height: 1.2;
	margin-bottom: 0.5em;
}

a {
	color: var(--color-primary);
	text-decoration: none;
	transition: color 0.3s ease;
}

a:hover {
	color: var(--color-primary-hover);
}

ul {
	list-style: none;
}

img {
	max-width: 100%;
	height: auto;
	display: block;
}

.container {
	width: 100%;
	max-width: 1200px;
	margin-left: auto;
	margin-right: auto;
	padding-left: 15px;
	padding-right: 15px;
}

/* Этап 1: Хедер (<header>) */
.header {
	background-color: var(--color-bg);
	border-bottom: 1px solid var(--color-border);
	padding: 1rem 0;
	position: sticky;
	top: 0;
	z-index: 1000;
	backdrop-filter: blur(10px);
	background-color: rgba(255, 255, 255, 0.8);
}

.header__container {
	display: flex;
	justify-content: space-between;
	align-items: center;
}

.logo {
	display: inline-flex;
	align-items: center;
	gap: 0.75rem;
	font-family: var(--font-secondary);
	font-weight: 700;
	font-size: 1.5rem;
	color: var(--color-text);
}

.logo:hover {
	color: var(--color-text);
}

.logo__icon {
	width: 48px;
	height: 48px;
}

.nav__list {
	display: flex;
	gap: 2rem;
}

.nav__link {
	font-family: var(--font-secondary);
	font-weight: 600;
	font-size: 1rem;
	color: var(--color-text);
	position: relative;
	padding: 0.5rem 0;
}

.nav__link::after {
	content: '';
	position: absolute;
	bottom: 0;
	left: 0;
	width: 0;
	height: 2px;
	background-color: var(--color-primary);
	transition: width 0.3s ease;
}

.nav__link:hover::after {
	width: 100%;
}

.header__burger {
	display: none;
	background: none;
	border: none;
	cursor: pointer;
	padding: 0.5rem;
	z-index: 1001;
}
.header__burger i {
	color: var(--color-text);
}

/* Этап 2: Футер (<footer>) */
.footer {
	background-color: var(--color-bg-alt);
	padding: 4rem 0;
	border-top: 1px solid var(--color-border);
	color: #4a5568;
}

.footer__container {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
	gap: 2rem;
}

.footer__column .logo {
	margin-bottom: 1rem;
}

.footer__copyright {
	font-size: 0.9rem;
}

.footer__title {
	font-size: 1.1rem;
	font-weight: 700;
	color: var(--color-text);
	margin-bottom: 1rem;
}

.footer__list {
	display: flex;
	flex-direction: column;
	gap: 0.75rem;
}

.footer__link {
	color: #4a5568;
	transition: color 0.3s ease, padding-left 0.3s ease;
	display: inline-block;
}

.footer__link:hover {
	color: var(--color-primary);
	padding-left: 5px;
}

.footer__list--contacts li {
	display: flex;
	align-items: flex-start;
	gap: 0.75rem;
}

.footer__icon {
	width: 18px;
	height: 18px;
	flex-shrink: 0;
	margin-top: 4px;
	color: var(--color-primary);
}

/* Адаптивность */
@media (max-width: 768px) {
	.header__nav {
		position: fixed;
		top: -1000%;
		width: 80%;
		max-width: 300px;
		height: 100vh;
		background-color: var(--color-bg);
		box-shadow: -5px 0 15px rgba(0, 0, 0, 0.1);
		transition: right 0.4s cubic-bezier(0.23, 1, 0.32, 1);
		padding-top: 6rem;
	}

	.header__nav.is-active {
		top: 0;
	}

	.nav__list {
		flex-direction: column;
		align-items: center;
		gap: 2.5rem;
	}

	.nav__link {
		font-size: 1.2rem;
	}

	.header__burger {
		display: block;
	}
}

/* Общий стиль для кнопок */
.button {
    display: inline-block;
    padding: 0.8rem 2rem;
    font-family: var(--font-secondary);
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-bg);
    background-color: var(--color-primary);
    border: none;
    border-radius: 5px;
    cursor: pointer;
    text-align: center;
    transition: background-color 0.3s ease, transform 0.3s ease;
}

.button:hover {
    background-color: var(--color-primary-hover);
    transform: translateY(-2px);
    color: var(--color-bg);
}

/* Этап 3: Hero секция */
.hero {
    background-color: var(--color-bg-alt);
    padding: 6rem 0;
    overflow: hidden; /* Для корректной работы AOS */
}

.hero__container {
    display: grid;
    grid-template-columns: 1fr;
    align-items: center;
    gap: 3rem;
}

.hero__content {
    text-align: center;
}

.hero__title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

/* Стили для анимации текста */
.hero__title .char {
    display: inline-block;
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.5s, transform 0.5s;
}

.hero__subtitle {
    font-size: 1.125rem;
    color: #4A5568;
    max-width: 600px;
    margin: 0 auto 2rem auto;
}

.hero__image-wrapper {
    display: flex;
    justify-content: center;
}

.hero__image {
    border-radius: 10px;
    box-shadow: 0 10px 25px rgba(0,0,0,0.1);
    max-width: 500px;
    width: 100%;
}

/* Адаптивность для Hero */
@media (min-width: 768px) {
    .hero {
        padding: 8rem 0;
    }
    .hero__container {
        grid-template-columns: repeat(2, 1fr);
        gap: 4rem;
    }
    .hero__content {
        text-align: left;
    }
    .hero__subtitle {
        margin-left: 0;
        margin-right: 0;
    }
    .hero__title {
        font-size: 2.5rem;
    }
}

/* Общие стили для секций */
.section-title {
    font-size: 2.25rem;
    text-align: center;
    margin-bottom: 1rem;
}

.section-subtitle {
    font-size: 1.125rem;
    color: #4A5568;
    max-width: 700px;
    text-align: center;
    margin: 0 auto 3rem auto;
}

/* Секция Услуги */
.services {
    padding: 6rem 0;
    background-color: var(--color-bg);
}

.services__grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
}

.service-card {
    background-color: var(--color-bg-alt);
    border: 1px solid var(--color-border);
    border-radius: 10px;
    padding: 2rem;
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.08);
}

.service-card__icon {
    width: 64px;
    height: 64px;
    margin: 0 auto 1.5rem auto;
    background-color: var(--color-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-bg);
}

.service-card__icon i {
    width: 32px;
    height: 32px;
}

.service-card__title {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--color-text);
}

.service-card__description {
    color: #4A5568;
}

/* Адаптивность для секции Услуги */
@media (min-width: 768px) {
    .services__grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 992px) {
    .services__grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* Секция Кейсы */
.cases {
    padding: 6rem 0;
    background-color: var(--color-bg-alt);
}

.cases__wrapper {
    display: flex;
    flex-direction: column;
    gap: 4rem;
    margin-top: 4rem;
}

.case-item {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
    align-items: center;
}

.case-item__image {
    width: 100%;
    border-radius: 10px;
    box-shadow: 0 10px 25px rgba(0,0,0,0.1);
    aspect-ratio: 16 / 10;
    object-fit: cover;
}

.case-item__category {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    background-color: rgba(74, 144, 226, 0.1);
    color: var(--color-primary);
    border-radius: 20px;
    font-family: var(--font-secondary);
    font-weight: 600;
    font-size: 0.875rem;
    margin-bottom: 1rem;
}

.case-item__title {
    font-size: 2rem;
    margin-bottom: 1rem;
}

.case-item__description {
    color: #4A5568;
    margin-bottom: 2rem;
}

.case-item__metrics {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-bottom: 2rem;
    padding-left: 1.5rem;
    border-left: 3px solid var(--color-primary);
}

.case-item__metric {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-weight: 700;
}

.case-item__metric i {
    width: 20px;
    height: 20px;
    color: var(--color-primary);
    flex-shrink: 0;
}

/* Адаптивность для секции Кейсы */
@media (min-width: 992px) {
    .case-item {
        grid-template-columns: repeat(2, 1fr);
        gap: 4rem;
    }

    .case-item--reverse .case-item__image-wrapper {
        order: 2;
    }
}

/* Секция Блог */
.blog {
    padding: 6rem 0;
    background-color: var(--color-bg);
}

.blog__grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
    margin-bottom: 3rem;
}

.blog-card {
    background-color: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: 10px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.blog-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.08);
}

.blog-card__image-link {
    display: block;
}

.blog-card__image {
    width: 100%;
    aspect-ratio: 16 / 9;
    object-fit: cover;
    transition: transform 0.4s ease;
}

.blog-card:hover .blog-card__image {
    transform: scale(1.05);
}

.blog-card__content {
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.blog-card__meta {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
    font-size: 0.875rem;
    color: #4A5568;
}

.blog-card__category {
    font-weight: 700;
    color: var(--color-primary);
}

.blog-card__title {
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
    flex-grow: 1;
}

.blog-card__title a {
    color: var(--color-text);
}

.blog-card__title a:hover {
    color: var(--color-primary);
}

.blog-card__excerpt {
    color: #4A5568;
    margin-bottom: 1.5rem;
}

.blog-card__read-more {
    font-family: var(--font-secondary);
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.blog-card__read-more i {
    width: 18px;
    height: 18px;
    transition: transform 0.3s ease;
}

.blog-card__read-more:hover i {
    transform: translateX(5px);
}

.blog__footer {
    text-align: center;
}

/* Адаптивность для секции Блог */
@media (min-width: 768px) {
    .blog__grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 992px) {
    .blog__grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* Общий модификатор для заголовков, выровненных по левому краю */
.section-title--left {
    text-align: left;
}

/* Секция О нас */
.about {
    padding: 6rem 0;
    background-color: var(--color-bg-alt);
}

.about__container {
    display: grid;
    grid-template-columns: 1fr;
    gap: 3rem;
    align-items: center;
}

.about__description {
    font-size: 1.125rem;
    color: #4A5568;
    margin-top: 1.5rem;
    margin-bottom: 2rem;
}

.about__values {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.about__value-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
}

.about__value-item i {
    width: 24px;
    height: 24px;
    flex-shrink: 0;
    color: var(--color-primary);
    margin-top: 2px;
}

.about__image {
    width: 100%;
    border-radius: 10px;
    box-shadow: 0 10px 25px rgba(0,0,0,0.1);
    aspect-ratio: 4 / 3;
    object-fit: cover;
}

/* Адаптивность для секции О нас */
@media (min-width: 992px) {
    .about__container {
        grid-template-columns: repeat(2, 1fr);
        gap: 5rem;
    }
}

/* Модификатор для кнопки на всю ширину */
.button--full {
    width: 100%;
}

/* Секция Контакты */
.contact {
    padding: 6rem 0;
    background-color: var(--color-bg);
}

.contact__container {
    display: grid;
    grid-template-columns: 1fr;
    gap: 3rem;
    align-items: center;
}

.contact__subtitle {
    font-size: 1.125rem;
    color: #4A5568;
    margin: 1.5rem 0 2.5rem 0;
}

.contact__details-title {
    font-family: var(--font-secondary);
    font-size: 1.25rem;
    margin-bottom: 1.5rem;
}

.contact__details-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.contact__details-list li {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.contact__form-wrapper {
    background-color: var(--color-bg-alt);
    padding: 2.5rem;
    border-radius: 10px;
    border: 1px solid var(--color-border);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-label {
    display: block;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.form-input {
    width: 100%;
    padding: 0.8rem 1rem;
    border: 1px solid var(--color-border);
    border-radius: 5px;
    font-size: 1rem;
    font-family: var(--font-primary);
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.form-input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(74, 144, 226, 0.2);
}

.form-group--checkbox {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
}

.form-checkbox {
    margin-top: 5px;
    flex-shrink: 0;
    width: 18px;
    height: 18px;
}

.form-label-checkbox {
    font-size: 0.9rem;
    color: #4A5568;
}

.form-message {
    margin-top: 1.5rem;
    padding: 1rem;
    border-radius: 5px;
    text-align: center;
    font-weight: 600;
    display: none; /* Скрыто по умолчанию */
}

.form-message--success {
    background-color: #E6FFFA;
    color: #285E61;
    display: block;
}

.form-message--error {
    background-color: #FFF5F5;
    color: #9B2C2C;
    display: block;
}

/* Адаптивность для секции Контакты */
@media (min-width: 992px) {
    .contact__container {
        grid-template-columns: 1fr 1.2fr;
        gap: 5rem;
    }
}

/* Этап 5.1: Cookie Pop-up */
.cookie-popup {
    position: fixed;
    bottom: -100%; /* Скрыто по умолчанию */
    left: 0;
    width: 100%;
    background-color: rgba(26, 32, 44, 0.95);
    backdrop-filter: blur(5px);
    color: var(--color-bg);
    padding: 1rem;
    z-index: 2000;
    transition: bottom 0.5s cubic-bezier(0.23, 1, 0.32, 1);
    box-shadow: 0 -5px 15px rgba(0,0,0,0.2);
}

.cookie-popup.is-visible {
    bottom: 0;
}

.cookie-popup__content {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: space-between;
    max-width: 1200px;
    margin: 0 auto;
    gap: 1rem;
}

.cookie-popup__text {
    text-align: center;
}

.cookie-popup__text a {
    color: var(--color-primary);
    font-weight: 700;
    text-decoration: underline;
}

.cookie-popup__button {
    background-color: var(--color-primary);
    color: var(--color-bg);
    border: none;
    padding: 0.6rem 1.5rem;
    border-radius: 5px;
    cursor: pointer;
    font-weight: 600;
    flex-shrink: 0;
    transition: background-color 0.3s ease;
}

.cookie-popup__button:hover {
    background-color: var(--color-primary-hover);
}

@media (min-width: 768px) {
    .cookie-popup {
        padding: 1.5rem;
    }
    .cookie-popup__content {
        flex-direction: row;
    }
    .cookie-popup__text {
        text-align: left;
    }
}


/* Этап 5.2: Стили для страниц политик (privacy.html и т.д.) */
.pages {
    padding: 4rem 0;
}

.pages h1 {
    font-size: 1.5rem;
    margin-bottom: 2rem;
    border-bottom: 2px solid var(--color-border);
    padding-bottom: 1rem;
}

.pages h2 {
    font-size: 1.5rem;
    margin-top: 2.5rem;
    margin-bottom: 1rem;
}

.pages p,
.pages ul li {
    font-size: 1.1rem;
    line-height: 1.7;
    color: #4A5568;
    margin-bottom: 1.5rem;
}

.pages a {
    text-decoration: underline;
}

.pages a:hover {
    color: var(--color-primary-hover);
}

.pages ul {
    list-style: disc;
    padding-left: 2rem;
}

.pages strong {
    color: var(--color-text);
}